561922533800 has 48 divisors (see below), whose sum is σ = 1375231473600. Its totient is φ = 212939064000.

The previous prime is 561922533791. The next prime is 561922533841. The reversal of 561922533800 is 8335229165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73933376 + ... + 73940975.

It is an arithmetic number, because the mean of its divisors is an integer number (28650655700).

Almost surely, 2^561922533800 is an apocalyptic number.

561922533800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561922533800 is an abundant number, since it is smaller than the sum of its proper divisors (813308939800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561922533800 is a wasteful number, since it uses less digits than its factorization.

561922533800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147874386 (or 147874377 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 561922533800 in words is "five hundred sixty-one billion, nine hundred twenty-two million, five hundred thirty-three thousand, eight hundred".